Physiological, Perceptual, and Performance Responses to the 2-Week Block of High- versus Low-Intensity Endurance Training
Nuuttila, O.-P., Nummela, A., Kyröläinen, H., Laukkanen, J., & Häkkinen, K. (2022). Physiological, Perceptual, and Performance Responses to the 2-Week Block of High- versus Low-Intensity Endurance Training. Medicine and Science in Sports and Exercise, 54(5), 851-860. https://doi.org/10.1249/mss.0000000000002861
Julkaistu sarjassa
Medicine and Science in Sports and ExerciseTekijät
Päivämäärä
2022Oppiaine
LiikuntafysiologiaValmennus- ja testausoppiExercise PhysiologyScience of Sport Coaching and Fitness TestingTekijänoikeudet
© 2022 American College of Sports Medicine
Purpose
This study examined the physiological, perceptual, and performance responses to a 2-week block of increased training load and compared whether responses differ between high-intensity interval (HIIT) and low-intensity (LIT) endurance training.
Methods
Thirty recreationally trained males and females performed a two-week block of 10 HIIT-sessions (INT, n = 15) or 70 % increased volume of LIT (VOL, n = 15). Running time in the 3000 m and basal serum and urine hormone concentrations were measured before (T1) and after the block (T2), and after a recovery week (T3). In addition, weekly averages of nocturnal heart rate variability (HRV) and perceived recovery were compared to the baseline.
Results
Both groups improved their running time in the 3000 m from T1 to T2 (INT -1.8 ± 1.6 %, p = 0.003; VOL -1.4 ± 1.7 %, p = 0.017) and T1 to T3 (INT -2.5 ± 1.6 %, p < 0.001; VOL -2.2 ± 1.9 %, p = 0.001). Resting norepinephrine concentration increased in INT from T1 to T2 (p = 0.01) and remained elevated at T3 (p = 0.018). The change in HRV from the baseline was different between the groups during the first week (INT -1.0 ± 2.0 % vs. VOL 1.8 ± 3.2 %, p = 0.008). Muscle soreness increased only in INT (p < 0.001) and the change was different compared to VOL across the block and recovery weeks (p < 0.05).
Conclusions
HIIT and LIT blocks increased endurance performance in a short period of time. Although both protocols seemed to be tolerable for recreational athletes, a HIIT-block may induce some negative responses such as increased muscle soreness and decreased parasympathetic activity.
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Julkaisija
Lippincott Williams & WilkinsISSN Hae Julkaisufoorumista
0195-9131Asiasanat
Julkaisuun liittyvä(t) tutkimusaineisto(t)
Nuuttila, Olli-Pekka. (2023). Monitoring recovery and training responses from different types of endurance exercises and training protocols in recreational runners: implications for individual training prescription . University of Jyväskylä. https://doi.org/10.17011/jyx/dataset/84680. https://urn.fi/URN:NBN:fi:jyu-202301031038Julkaisu tutkimustietojärjestelmässä
https://converis.jyu.fi/converis/portal/detail/Publication/104027069
Metadata
Näytä kaikki kuvailutiedotKokoelmat
- Liikuntatieteiden tiedekunta [3129]
Lisätietoja rahoituksesta
Heart rate monitors were received from the Firstbeat Analytics, and this research was funded by a grant from the Foundation of Sports Institute and The Finnish Sports Research FoundationLisenssi
Samankaltainen aineisto
Näytetään aineistoja, joilla on samankaltainen nimeke tai asiasanat.
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